单项选择题
A.vertical lifting
B.convective lifting
C.advective lifting
D.topographic lifting
单项选择题 It is predicted that heavy rains are()to flood the harbor and its vicinity in a few days.
单项选择题 INTERTROPICAL CONVERGENCE ZONE OVER SOUTH PHILIPPINE PASSING OVER MINDANAO NORTHERN SULU AND PALAWAN.This paragraph is likely to be under the heading of().
单项选择题 In Beaufort Scale,the wind force 7 with speed of 28-33 knots is defined as().